Search a number
-
+
13469253642 = 234136395657
BaseRepresentation
bin11001000101101010…
…01000000000001010
31021202200202222110000
430202311020000022
5210041112104032
610104312503430
7654531524025
oct144265100012
937680688400
1013469253642
115792051689
12273a9aab76
131368680190
1491abda1bc
1553c744e7c
hex322d4800a

13469253642 has 40 divisors (see below), whose sum is σ = 32502733956. Its totient is φ = 4144385088.

The previous prime is 13469253641. The next prime is 13469253661. The reversal of 13469253642 is 24635296431.

13469253642 is a `hidden beast` number, since 13 + 4 + 69 + 2 + 536 + 42 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 13372840881 + 96412761 = 115641^2 + 9819^2 .

It is not an unprimeable number, because it can be changed into a prime (13469253641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3195723 + ... + 3199934.

Almost surely, 213469253642 is an apocalyptic number.

13469253642 is an abundant number, since it is smaller than the sum of its proper divisors (19033480314).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13469253642 is a wasteful number, since it uses less digits than its factorization.

13469253642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6395684 (or 6395675 counting only the distinct ones).

The product of its digits is 933120, while the sum is 45.

The spelling of 13469253642 in words is "thirteen billion, four hundred sixty-nine million, two hundred fifty-three thousand, six hundred forty-two".

Divisors: 1 2 3 6 9 13 18 26 27 39 54 78 81 117 162 234 351 702 1053 2106 6395657 12791314 19186971 38373942 57560913 83143541 115121826 166287082 172682739 249430623 345365478 498861246 518048217 748291869 1036096434 1496583738 2244875607 4489751214 6734626821 13469253642